diff options
Diffstat (limited to 'arch/microblaze')
-rw-r--r-- | arch/microblaze/lib/Makefile | 1 | ||||
-rw-r--r-- | arch/microblaze/lib/ucmpdi2.c | 20 |
2 files changed, 21 insertions, 0 deletions
diff --git a/arch/microblaze/lib/Makefile b/arch/microblaze/lib/Makefile index 10c320aa908..c13067b243c 100644 --- a/arch/microblaze/lib/Makefile +++ b/arch/microblaze/lib/Makefile @@ -25,5 +25,6 @@ lib-y += lshrdi3.o lib-y += modsi3.o lib-y += muldi3.o lib-y += mulsi3.o +lib-y += ucmpdi2.o lib-y += udivsi3.o lib-y += umodsi3.o diff --git a/arch/microblaze/lib/ucmpdi2.c b/arch/microblaze/lib/ucmpdi2.c new file mode 100644 index 00000000000..63ca105b671 --- /dev/null +++ b/arch/microblaze/lib/ucmpdi2.c @@ -0,0 +1,20 @@ +#include <linux/module.h> + +#include "libgcc.h" + +word_type __ucmpdi2(unsigned long long a, unsigned long long b) +{ + const DWunion au = {.ll = a}; + const DWunion bu = {.ll = b}; + + if ((unsigned int) au.s.high < (unsigned int) bu.s.high) + return 0; + else if ((unsigned int) au.s.high > (unsigned int) bu.s.high) + return 2; + if ((unsigned int) au.s.low < (unsigned int) bu.s.low) + return 0; + else if ((unsigned int) au.s.low > (unsigned int) bu.s.low) + return 2; + return 1; +} +EXPORT_SYMBOL(__ucmpdi2); |